CJCP     2013 15 (3):  223-226    ISSN: 1008-8830  CN: 43-1301/R Site-directed mutagenesis and protein expression of SCN5A gene associated with congenital Long QT syndrome SHI Rui-Ming, QIANG Hua, ZHANG Yan-Min, MA Ai-Qun, GAO Jie Department of Pediatrics, First Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an 710061, China. srm1975@sohu.com Received: null  Revised: null  Online: null Supporting info